Cloudberry breeding in Norway | Lāceņu selekcija Norvēģijā
2009
Uleberg, E., Norwegian Inst. for Agricultural and Environmental Research (Bioforsk), Tromsoe (Norway) | Roethe, G., Norwegian Inst. for Agricultural and Environmental Research (Bioforsk), Tromsoe (Norway) | Martinussen, I., Norwegian Inst. for Agricultural and Environmental Research (Bioforsk), Tromsoe (Norway)
Two female and two male cultivars have previously been released as a result of clone evaluation at Bioforsk Nord Holt. The selection criteria were the number of pistils or stamens per flower, the number of flowers and the number of shoots per square m. Currently a new group of clones are being evaluated with the aim of finding new cultivars for release. The preliminary results on flowering and berry production show a strong variance in these traits. Over three years of registration, the number of produced flowers varied from under 100 for the weakest clone to more than 1000 for the best clone. The number of produced berries varied from 9 for the weakest clone to 242 for the best clone. The three clones that produced the most flowers all had very low berry production and deviated from the rest of the clones by having high numbers of flowers per harvested berry. New selection criteria will be considered before selection of new cultivars for release. In addition to the production traits, new selection criteria will most likely include berry contents, such as the levels of antioxidants.
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